Finding the Fourth Proportional to 3,836,630,966.96, 5,294,679,117.72 and 2,351,232,230.96
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Solution
The fourth proportional to 3,836,630,966.96, 5,294,679,117.72 and 2,351,232,230.96 is: 3,244,779,156.86
Step by Step Solution
- Step 1: Write the proportion equation
3,836,630,966.96 : 5,294,679,117.72 = 2,351,232,230.96 : x - Step 2: Convert to fraction form
3,836,630,966.96/5,294,679,117.72 = 2,351,232,230.96/x - Step 3: Cross multiply
3,836,630,966.96x = 5,294,679,117.72 × 2,351,232,230.96 - Step 4: Simplify right side
3,836,630,966.96x = 12,449,020,194,174,119,936 - Step 5: Solve for x
x = 12,449,020,194,174,119,936/3,836,630,966.96 - Step 6: Final answer
x = 3,244,779,156.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.